Since 1906, AEP has taken great pride in serving our customers and communities. We’ve developed new ways to produce and deliver the safe, reliable and affordable energy that powers millions of homes and businesses. While the past century has brought changes and challenges, our focus on customers and spirit of innovation continue to guide how we serve our communities.

AEP-PSO is an electric utility company serving more than 540,000 customers in eastern and southwestern Oklahoma. Headquartered in Tulsa, PSO has 3,740 megawatts of generating capacity.